Ashtray



FIG. 1 is a top perspective view of the ashtray;

FIG. 2 is a right side plan view of the ashtray, the left side being identical;

FIG. 3 is a top plan view of the ashtray; and,

FIG. 4 is a front side plan view of the ashtray, the back side being identical.

The broken line environmental showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for the ashtray, as shown and described. 